gas detector for refinery

fire alarm maintenance direct from Wanlin Fire Protection — 12-year factory experience, WL-CO800 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Electrochemical CO Sensor, 4G LTE + SMS + Push + Phone Call + App + Voice Alert. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ 100 units, 20-25 ···

smoke detector with nuisance alarm avoidance direct from Wanlin Fire Protection — 12-year factory experience, WL-MC100 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Break Glass Emergency Trigger, 4G LTE + SMS + Push + Phone Call + App + Siren Strobe Trigger. No monthly fees, 4G cellular backup, cloud platform, DIY ···